Firefighters have been called to the scene of a warehouse fire. The battalion chief informs the crew that the warehouse is used to store cleaning fluids, which are highly flammable. What should the firefighters use to extinguish the fires with these types of fuels? Class A foams

oxygen

water

Class B foams

answer:

a car

explanation:

Penny Woolcock’s low-budget thriller, The Principles of Lust, is a far more audacious attempt to picklock convention. But it’s a film that loses its grip at the first corner and the director fails to regain control.

There’s an honourable, if alarming, tradition of struggling writers waiting to shoot themselves in the foot in British movies, and Paul (Alec Newman) is the blocked and charming scribe in this bracing, slightly crazed, scenario. At an art exhibition, he falls in love with a sensible single mother, Juliette (Sienna Guillory). Then, for reasons best known to himself, Newman proceeds to throw away his new-found security by hanging out with Billy (Marc Warren), a scary Marquis de Sade figure who gambles ...

No.  It is was used to help other students.  Who might need help, by other students.